Raymond Synthetic Ltd — status of share

I am holding 100 shares of raymond synthetics, dist no 23929971 to 23930070. I gave this certificate to hdfc for converting into demat form, i was told that new certificate is issued in lieu of this. I am unable to proceed. Can u plz inform the status.
Also fro review, i noticed that raymond synthetic is finally merged with reliance. Is it true & how to proceed to get my rightful share certificate in view of this. Plz advice me on my email id [protected]@gmail.com